OpenStreetMap is built by a community of mappers that contribute and maintain data about roads, trails, cafés, railway stations, and much more, all over the world. Source: http://www.openstreetmap.org/

The bdl_high_res layer contains data from a variety of sources and is intended to be viewed at scales from 25m per pixel to 1m per pixel. Images courtesy of Digital Globe, USDA-NRCS, USDA-FS, USGS, BLM, NPS, FAA, Alaska DNR, DMVA, DCED, & DOT.

Open Street Map (Overlay)

Opacity

OpenStreetMap is built by a community of mappers that contribute and maintain data about roads, trails, cafés, railway stations, and much more, all over the world. Source - http://www.openstreetmap.org/

The Wave Energy Resource Assessment project is a joint venture between NREL, EPRI, and Virginia Tech. EPRI is the prime contractor, Virginia Tech is responsible for development of the models and estimating the wave resource, and NREL serves as an independent validator and also develops the final GIS-based display of the data. Source - https://maps.nrel.gov/re-atlas